The following is a sample of the percentage increases in the price of a house in eight regions of the U.S.
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75, 125, 150, 150, 150, 215, 215, 300
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Compute the mean of the given sample. Round answer to the nearest whole number.
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__________
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Compute the standard deviation of the given sample. Use the rounded value for the mean in your calculations. Round answer to the nearest whole number.
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__________
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Assuming the distribution of percentage housing price increases for all regions is symmetric and bell-shaped, 68 percent of all regions in the U.S. reported housing increases between __________ and __________. Please, use the rounded value for the standard deviation here.
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Find the percentage of scores in the sample that fall in this range. Please round your answer to the nearest whole number.
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__________%
What will be an ideal response?
173; 69; 104; 242; 75
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Assume the region is part of a vertical side of a tank with water (? = 62.4 
2 2
A. 416.00 lb B. 332.80 lb C. 249.60 lb D. 499.20 lb
Perform the operations indicated.-4 - (-12)
A. 8 B. 16 C. -16 D. -8
Solve the equation
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A. 
B. 
C. 
D. 
E. 
Determine if the given ordered triple is a solution of the system.(-3, -1, 5)5x + 4y + z = -142x - 2y - z = -93x + y + 5z = 15
A. not a solution B. solution